QDI BrillianX 8V User manual

Ma nua lforBrillia nX8V
Chapter1
Introduction
Chapter1
Introduction
Overview
The BrillianX8Vgreen motherboardutilizesthe VIABX chipsetand providesahighly
integratedsolution forfullycompatible,highperformancePC/ATXplatform.It provides66MHz
and 100MHzsystembussupportforall IntelPentium®II and CeleronTMprocessors.Both
66MHz/100MHzSDRAMwithSPDand 66MHzEDODIMMsaresupported.Italsoprovides
advanced featuressuchasAGP,wake-up on LANand wake-up on internal/externalmo-
dem.ManageEasy,oursystemmanagementapplication issupplied toenableremotemoni-
toring and configuration ofthe system.The green function isincompliancewiththe ACPI
specification.Withthe everlasting innovationsofQDIsuchasSpeedEasy and LogoEasy
technologies,you getapowerfulcorporatesystem.
Key Features
Formfactor
l ATXformfactorof305mmx190mm.
Microprocessor
l SupportsallIntelPentium®IIprocessorsat233/266/300/333MHzwith66MHzbus
speed and 350/400/450MHzwith100MHzbusspeed.
l Supportsall Intel®CeleronTMprocessorsat266/300/333 MHzwith66MHzbus
speed.
l Supports66MHzand 100MHzhostbusspeed.
l CPUcorefrequency=Busspeed x2.5,x3,x3.5,x4,x4.5,x5,x5.5
l CPUcoresupplyvoltage adjustablefrom1.3Vto3.5Vthrough on-boardswitching
voltage regulatorwithVID(Voltage ID).
Chipset
l VIABX chipset: VT82C692BX AGPcontroller
VT82C596 PCItoISA bridge.
Systemmemory
l Providesthree 168 pin3.3Vunbuffered DIMM sockets.
lSupportsboth66MHz/100MHzSDRAMswithSPDand66MHzEDODIMMs.
lMinimummemorysizeis8MB,maximummemorysizeis768MB.
l SDRAM64 bitdatainterfacewithECC support.
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On-boardIDE
l SupportstwoPCIPIO and BusMasterIDEports.
l TwofastIDEinterfacessupporting fourIDEdevicesincluding IDEharddisks and
CD -ROMdrives.
l Supportsup toPCImode4timing.
l Supports“UltraDMA/33”SynchronousDMAmodetransferring up to33Mbytes/sec.
l Integrated 16x32bitbufferforIDEPCIBurstTransfers.
On-boardI/O
l UseWinbondW83977EFsuperI/Ochip.
l One floppyportsupporting up totwo3.5’’or5.25”floppydriveswith
360K/720K/1.2M/1.44M/2.88Mformat.
l Twohigh speed16550fastcompatibleUARTs(COM1/COM2/COM3/COM4
selective)with16-bytesend/receiveFIFOs.
l One enabledparallelportatthe I/Oaddress 378H/278H/3BCHwithadditional
bi-directionI/Ocapabilityandmulti-mode asSPP/EPP/ECP(IEEE1284 compliant).
l Circuitprotection provided,preventing damage tothe parallelportwhen a
connected printerispowered up oroperatesatahighervoltage.
l SupportsLS-120floppydisk drive.
l All I/Oportscan beenabled/disabled intheBIOSsetup.
Advancedfeatures
l ProvidesTrendChipAwayVirus® OnGuard.
l Provideson-boardPS/2mouseandPS/2keyboardports.
l TwoUSBportssupported.
l Providesinfrared interface.
l SupportsWindows95/98 softwarepower-down.
l Supportsexternalmodemring power-on.
l Supportswake-upon LANand wake-upon internalmodem.
l Supportsautofan off when the systementerssuspend mode.
l On-boardLM80supportssystemmonitoring (monitorssystemtemperature,voltages,
chassisintrusion and fan speed)(manufacturing option).
l On-boardMAXIM1617monitorstheCPUtemperature.(manufacturing option)
l Providesmanagementapplication suchasManageEasyand LDCM(LANDesk®Client
Manager) (manufacturing option).
BIOS
l LicensedadvancedAWARD BIOS,supportsflashROMwith2MBmemorysize,
plug and playready.
l SupportsIDECD-ROMorSCSIbootup.
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Greenfunction
l SupportsACPI(Advanced Configuration andPowerInterface)andODPM(OS
DirectedPowerManagement).
l Supportsthreegreen modes:Doze,Standbyand Suspend.
Expansion slots
l 3ISA slotsand 4PCIslots.
l 1AGPSlot.
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Chapter2
Installation Instructions
Chapter2
Installation Instructions
ThissectioncoversExternalConnectors,JumperSettingsandMemoryConfiguration.Re-
fertothe motherboardlayoutchartforlocationsofall the jumpers,externalconnectors,
slotsandI/Oports.Furthermore,thissection listsallnecessaryconnectorpinassignments
foryourreference.The particularstateofthe jumpers,connectorsandportsareillustrated
inthe following figures.Beforesetting the jumpersorinserting theseconnectors,please
payattention tothe directions.
Besuretounplug theAC powersupplybeforeaddingorremoving expansion
cardsorothersystemperipherals,otherwise yourmotherboardand expan-
sioncardsmightbeseriouslydamaged.
ExternalConnectors
PS/2KeyboardConnector,PS/2Mouse Connector
PS/2keyboardconnectorisforthe usage ofPS/2keyboard.If using astandardATsize
keyboard,an adaptershouldbe used tofitthisconnector.PS/2mouseconnectorisforthe
usage ofPS/2mouse.
USB1,USB2
TwoUSB portsareavailableforconnecting USB devices.
ParallelPortConnectorand SerialPortConnector(UART1,UART2)
The parallelportconnectorcan be connected toaparalleldevicesuchasaprinter,while
the serialportconnectorscan be connected toserialportdevicessuchasaserialport
mouse.Youcan enable/disablethemand choosethe IRQorI/Oaddressin“Integrated
Peripherals” fromAWARDBIOSSETUP.
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ATXPowerSupplyConnector&PowerSwitch(POWER)
Besuretoconnectthe powersupplyplug tothisconnectorinitsproperorientation.The
powerswitch(POWER)shouldbe connected toamomentaryswitch.When powering up
yoursystem,firstturnon the mechanicalswitchofthe powersupply(ifone isprovided),
then pushoncethe powerbutton.Whenpowering off the system,you needn’tturnoff the
mechanicalswitch,justPushonce*the powerbutton.
Note:*Ifyou change“soft-off byPWR-BTTN”fromdefault“Instant-off”to“Delay
4Secs”inthe“POWERMANAGEMENTSETUP”section oftheBIOS,thepower
button shouldbepressedformorethan4secondsbeforethesystempowers
down.
HardDisk LEDConnector(HD_LED)
The connectorconnectstothecase’s IDEindicatorLEDindicating the activitystatusof
IDEharddisk.
ResetSwitch(RESET)
The connectorconnectstothe case’s resetswitch.Press theswitchonce,the system
resets.
SpeakerConnector(SPEAKER)
The connectorcanbe connected tothe speakeron the case.
PowerLEDConnector(PWR_LED)
The powerLEDhasthree status.When no ACpowersupplyispresent, the LEDisoff.
When the systemisinsoft power-downstatus,the LEDglowsdimly.When the system
ispowered up,the LEDison.
Key-Lock Connector(KEY_L)
The connectorcan be connected tothe keyboardlock switchon the caseforlocking the
keyboard.
Installation Instruction
ATXPowerSupplyConnector
1
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GreenLEDConnector(GREEN_LED)
The green LEDhasfourstatus.When no ACpowersupplyispresent, the LEDisoff.
When the systemisinsoft power-downstatus,the LEDglowsdimly.When the system
ispowered up,the LEDison.Whenthe systementerssuspend mode,the LEDwill flash.
HardwareGreenConnector(SLEEP)
Pushoncethe switchconnected tothisheaderand the systemwill entersuspend mode.
InfraredHeader(IrDA)
Thisconnectorsupportswireless transmitting and receiving.If using thisfunction,
configurethesettingsof‘SerialPort2Mode’fromthe‘INTEGRATEDPERIPHERALS’
section ofthe BIOS.
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FanConnector(CPUFAN,CHSFAN)
Thesetwofansarecontrollable.Theywill be automaticallyturned off afterthe system
enterssuspendmode.YoualsocanchoosenottoturntheCPUFANoff bysetting “CPUFAN
InSuspend”ason inthe “POWERMANAGEMENTSETUP”sectionoftheBIOS.
Wake-UpOnLAN (WOL)
Through the Wake-UpOnLANfunction,awakeeventoccurring fromthe networkcan
wakeup the system.If thisfunction istobe used,pleasebe surean ATX2.01 power
supplyofwhich5VSB line iscapableofdelivering 720mA,and aLANadapterwhich
supportsthisfunctionareused.Then connectthisheadertothe relevantconnectoron the
LANadapter,set“WakeUpOnLAN”asEnabled inthe“POWERMANAGEMENTSETUP”
section ofthe BIOS.Save&exit, then bootthe operating systemoncetomakesurethis
function takeseffect.
Wake-UpOnInternalModem(WOM)
Through the Wake-UpOnInternalModemfunction,the systemwhichisinthe power-off
statuscanbe powered on byaring signalreceivedfromthe internalmodem.If thisfunction
istobe used,be surean internalmodemcardwhichsupportsthe function isused.Then
connectthisheadertothe relevantconnectoron the modemcard,set“ModemRing Re-
sume”toEnabledinthe“POWERMANAGEMENTSETUP”sectionoftheBIOS.Save&exit,
then bootthe operating systemoncetomakesurethisfunction takeseffect.
Installation Instruction
CPUFAN
CHSFAN

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ChassisSecuritySwitch(CHSSEC)
The connectorconnectstothe chassissecurityswitchon the case.The systemcan
detectthe chasisintrusion through the statusofthisconnector.If the connectorhas
been closed once,the systemwill recordthe statusand indicatetothe customerthatthe
chassishasbeen opened.You can eithergetthisinformation fromSystemMonitorof
BIOSsoftware(optional)orQDIManageEasy software.
Sound Connector(SBLINK)
Thisconnectorisforthe usage ofPCIsound card.
Expansion Slots&I/OPortsdescription
Slot/PortDescription
ISA 1FirstISA slot.
ISA 2Second ISA slot.
ISA 3ThirdISA slot.
PCI1FirstPCIslot.
PCI2SecondPCIslot.
PCI3ThirdPCIslot.
PCI4FourthPCIslot.
IDE1PrimaryIDEport.
IDE2SecondaryIDEport.
FLOPPY FloppyDrivePort.
AGP AcceleratedGraphics Port.
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Thereisone jumpersetting on the motherboard,clearCMOSjumperJCC.
Pin1ofthe jumperislocated on the side withathick whiteline (Pin1
),referring tothe motherboardsilkscreen.Jumperswiththree pinswill
be shownastorepresentpin1&pin2 connected and to
representpin2 &pin3 connected.
ClearCMOS(JCC)
If you wanttoclearCMOS,unplug the ACpowersupplyfirst, closeJCC(pin1&pin2)once,
setJCC back tothe normalstatuswithpin2&pin3 connected,thenpoweron the system.
MemoryConfiguration
Thismotherboardprovidesthree 168 pin3.3Vun-buffered DIMM socketstosupporta
flexiblememorysizeranging from8MB/384MBforSDRAMorfrom8MB/768MBforEDO
memory.Both66MHz/100MHzSDRAMwithSPDand 66MHzEDODIMMsaresupported.
The following setofrulesallowsforoptimumconfigurations.
Rulesforpopulating a440BXmemoryarray:
l Processorswith100MHzfront-side busshouldbe paired onlywith100MHzSDRAM.
Processorswith66MHzfront-side buscan be paired witheither66MHzor100MHz
SDRAM.
l Using theserialpresencedetect(SPD)datastructure,programmed intoan E2PROMon
theDIMM,theBIOScandetermine theSDRAM’s sizeand speed.
l The DRAMTimingregister,whichprovidestheDRAMspeed grade controlforthe entire
memoryarray,mustbeprogrammed tousethe timing oftheslowestDRAMsinstalled.
l PossibleSDRAMDIMMmemorysizesare8MB,16MB,32MB,64MB,128MBineachDIMM
socket.
l PossibleEDODIMMmemorysizesare8MB,16MB,32MB,64MB,128MB,256MBineach
DIMMsocket.
Installation Instruction
Normalstatus:
ClearCMOS:
JCC
JCC
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Chapter3
BIOSDescription
Chapter3
BIOSDescription
UtilitySupport:
FLASH.EXE
Thisisaflashmemorywrite/read utilityused forthe purposeofupdating yourBIOS
when necessary.Beforedoing so,pleasenote:
lWestronglyrecommendyou onlyupgradeBIOSwhenencounteringproblems.
lBeforeupgrading yourBIOS,reviewthedescription belowtoavoidmaking
mistakes,resulting inadestroyedBIOSand anon-working system.
Whenyouareencounteringproblems,forexample,youfind yoursystemdoesn’tsupport
the newCPUwhichisreleased afterourcurrentmotherboard,you maythereforeupdate
theBIOS.
Followthe stepsexactlyforasuccessfulupgrade.
1.Createabootablesystemfloppydiskette,bytyping FormatA:/sfromtheDOSprompt
underDOS6.xx orWindows9xenvironment.
2.CopyFLASH.EXEfromthedirectory\Utilityon the QDIMotherboardUtilityCD onto
yournewbootablediskette.
3.Download the updated BIOSfilefromthe Website(http://www.qdigrp.com).Please
be suretodownload the suitableBIOSfileforyourmotherboard.
4.Uncompress the filedownload,copytheBIOSfile(xx.bin)ontothe bootablediskette,
and writedownthe checksumofthisBIOSwhichisincluded inreadmefile.
5.Rebootthe systemfromthebootablediskettewhichyou havecreated.
6.Then run the FLASHutilityatthe A:\prompt. During theprocess,the systemwill
prompt:‘Doyouwanttosavethe BIOS(Y/N)’.If youtype ‘Y’,the systemwill prompt
forthe BIOSname.The systemwill alsodisplaythechecksumwhichshouldbe
exactlythe sameasthe checksumyoucopied fromthe readmefile.Don’tturnoff
powerorresetthe systemuntil the BIOSupgradehasbeen completed.
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/n:programsBIOSwithoutprompting.If thisoption ischosen:
BesureyournewBIOSiscompatiblewithyourMB.If not, the systemwill
be damaged.
/g:RetrievesBIOSfilefromBIOSROM.
Examples:
A:\FLASH.EXE BIOSfile.bin
A:\FLASH.EXE BIOSfile.bin/cdpc/n
A:\FLASH.EXE BIOSfile.bin/g
Note:FLASHutilityrunsincorrectlyatWindowsDOSprompt.
AwardBIOSDescription

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Chapter3
AWARDBIOSDescription
Entering Setup
Poweron thecomputer,when the following message brieflyappearsatthebottomofthe
screen during thePOST(PowerOnSelfTest),press <Del>keyorsimultaneouslypress
the <Ctrl>+<Alt>+<Esc>keys,toenterthe AWARD BIOSCMOSSetup Utility.
Press <Del>toenterSETUP
Onceyouhaveentered,the MainMenu(Figure1)appearson thescreen.Themainmenu
allowsyou toselectfromtwelvesetup functionsand twoexitchoices.Usethe arrow
keys toselectamong the itemsand press the <Enter>keytoacceptorenterthe sub-
menu.The<ESC>keycanbeused toexitthesubmenu.
Figure-1MainMenu
Note:The‘SystemMonitor’itemwill notbedisplayedifthereisno LDCM
supporting chipson themotherboard.
LoadSetup Defaults
The Setup Defaultsarecommon and efficient. It isrecommended thatusers
load the setup defaultsfirst, then modifythe needed configuration settings.
StandardCMOSSetup
The basicCMOSsettingsincluded in‘StandardCMOSSetup’areDate,Time,HardDisk
DriveTypes,FloppyDisk DriveTypes,andVGAetc.Usethearrowkeys tohighlight
the item,then usethe <PgUp>or<PgDn>keys toselectthe value you wantin
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Figure-2StandardCMOSSetup Menu
HardDisk
PrimaryMaster/PrimarySlave/SecondaryMaster/SecondarySlave
Thesecategoriesidentifythe HDDtypesof2IDEchannelsinstalledinthecomputersystem.
TherearethreechoicesprovidedfortheEnhancedIDEBIOS:None,Auto,and User.‘None’
meansno HDDisinstalled orset; ‘Auto’meansthe systemcan auto-detectthe harddisk
when booting up;bychoosing ‘user’,the related informationshouldbe entered regarding
the following items.Enterthe information directlyfromthe keyboardand press <Enter>:
CYLSnumberofcylindersHEADnumberofheads
PRECOMPwritepre-compensation LANDZlanding zone
SECTORnumberofsectorsMODEHDDaccessmode
Video
Setthisfieldtothe type ofvideo displaycardinstalled inyoursystem.
EGA/VGAEnhanced Graphics Adapter/Video GraphicArray.ForEGA,
VGA,SEGA,SVGA,orPGAmonitoradapters.
CGA40 ColorGraphicAdapter,powering up in40 columnmode.
CGA80 ColorGraphicAdapter,powering up in80 columnmode.
MONOMonochromeadapter,including high resolution monochrome
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HaltOn
Thiscategorydetermineswhetherornotthe computerwill stop ifan errorisdetected
during powering up.
NoerrorsThe systembootwill notstop foranyerrorsthatmaybe
detected.
All errorsWheneverthe BIOSdetectsanon-fatalerror,the systemwill
stop and you will be prompted.
All,ButKeyboardThe systembootwill notstop forakeyboarderror;butitwill
stop forall othererrors.
All,ButDisketteThe systembootwill notstop foradisk error;butitwill stop
forall othererrors.
All,ButDisk/KeyThe systembootwillnotstop forakeyboardordiskerror,butitwill
stopforall othererrors.
Memory
ThisisaDisplay-OnlyCategory,determined byPOST(PowerOnSelfTest)oftheBIOS.
BaseMemoryThe POSTofthe BIOSwill determine theamountofbase
(orconventional)memoryinstalled inthe system.
ExtendedMemoryTheBIOSdetermineshowmuchextendedmemoryis
presentedduring thePOST.
OtherMemoryThisisthe memorythatcan be used fordifferent
applications.ShadowRAMismostused inthisarea.
TotalMemoryTotalmemoryofthe systemequalsthe sumofthe above
memory.
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SpeedEasy CPUSetup
Figure-3SpeedEasy CPUSetup
The following indicatesthe optionsforeachitemand describestheirmeanings.
ItemOption Description
l CPUModelBIOSautomaticallydetectstheCPUmodel,
thereforethisitemisshownonly.It couldbe
Pentium(R)IIorIntel(R)Celeron(TM),dependingon
the processorchosen.
l CPUSpeed SpeedEasy CPUfrequencyshouldbesetaccording tothe CPU
type.ForCeleronTMorPentiumII(66MHzfront-
side bus)processors,you can choosefrom
200MHz(66X3),233MHz(66X3.5),266MHz(66x4),
300MHz(66X4.5),or333MHz(66X5).For
PentiumIIprocessorswith100MHzfront-side
bus,youcan selectfrom300MHz(100X3),
350MHz(100X3.5),400MHz(100X4),
450MHz(100X4.5),or500MHz(100X5).
JumperThisitemisonlyforuserswho understand
Emulation all theCPUparameters,i.e.SystemBusFrequency
‘100MHz/66MHz’andmultiplicationofProcessor
CoreFrequency toSystemBusfrequency “x3,
x3.5,x4,x4.5,x5,x5.5”.
Warning:
DonotsetCPUfrequency higherthanitsworking frequency.Ifyou do,we
will notberesponsibleforanydamages caused.
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BIOSFeatures Setup
Figure-4BIOSFeaturesSetup Menu
The following indicatesthe optionsforeachitemanddescribestheirmeaning.
ItemOption Description
l ChipAwayEnabled Guardsagainstbootvirusthreatsearlyinthe boot
VirusOnGuardcycle,beforetheyhaveachancetoload intoyour
system,ensuring yourcomputerbootstoaclean
operating system.
Disabled Invalidatesthisfunction.
lCPUEnabled EnablesCPUinternalLevel1/Level2cache.
L1/L2 Cache Disabled DisablesCPUinternalLevel1/Level2cache.
lCPUEnabled EnablesCPUL2CacheECC(ErrorChecking
L2 Cache and Correction)function.
ECC Disabled DisablesCPUL2 CacheECCfunction.
lQuickPowerEnabled Enablesquick POST.BIOSwill shortenorskipsome
OnSelfTestcheckitemsduring POSTtospeed upPOSTafter
you poweron the computer.
Disabled NormalPOST.
lBootFromLANEnabled BootfromLANisahead ofanybootsequence
Firstselection (LANAdaptermustsupportthisfunction).
Disabled DoesnotbootfromLANfirst.
l BootSequenceC,A,SCSI,... Anysearchsequency can be chosen forbooting.
C,CDROM,A
LS/ZIP,C
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l Swap FloppyEnabled ExchangestheassignmentofA&Bfloppydrives.
Drive
Disabled The assignmentofA&B floppydrivesarenormal.
l BootUpOnKeypad isused asnumberkeys.
Numlock StatusOff Keypad isused asarrowkeys.
l GateA20 NormalTheA20signaliscontrolledbythekeyboardcontroller
Option orchipsethardware.
FastDefaultsetting.TheA20signaliscontrolledbyPort92
orthe chipsetspecificmethod.
l MemoryParityEnabled Enablesthe ErrorChecking&CorrectionifECC
/ECCcheck memoryisused.
Disabled DisablestheECCfunction.
l PasswordSetting SystemThe systemwillnotbootandaccesstoBIOS
Setupwill be denied ifthe correctpasswordis
notentered when prompted.
Setup The systemwill bootup,butaccess toBIOS
Setup will be denied ifthe correctpasswordisnot
entered when prompted.
l IDEsecond Enabled Enablesthe secondIDEchannel.
channelcontrolDisabled Disablesthesecond IDEchannelandreleasethe
IRQ.
l OSSelectForNon-OS2If youroperating systemisnotOS/2,pleaseselect
DRAM>64MBthisitem.
OS2IfsystemDRAMismorethan64MBandtheoperating
systemisOS/2,pleaseselectthisitem.
l HDDS.M.A.R.TEnabled EnablesS.M.A.R.Tharddisk support.
CapabilityDisabled Invalidatesthisfeature.
l VideoBIOSEnabled Video BIOSwill be copied toRAM.Video Shadow
Shadow will increasethe video speed.
Disabled Video shadowisdisabled.
l C8000~CBFFF Enabled OptionalROMwillbe copiedtoRAMby16Kbytes
Shadow:perunit.
DC000-DFFFF
Shadow:Disabled The shadowfunction isdisabled.
l ShowBootup Enabled Enablesthe logo when systembootsup.
Logo Disabled Logo will notbe shownwhen systembootsup.
AwardBIOSDescription

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ChipsetFeatures Setup
Figure-5ChipsetFeaturesSetup Menu
The following indicatesthe optionsforeachitemand describestheirmeaning.
ItemOption Description
lBank0/1,2/3,4/560nsTheseitemsareofselectedEDODRAM
DRAMTiming 70nsread/writetiming.You mustensurethatyour
DIMMsareasfastas60ns,otherwiseyou have
toselect70ns.
lSDRAM3DefinetheCLTtiming parameterofSDRAM
CycleLength expressedin66MHzclocks,
LatencyTime=2clocks
LatencyTime=3clocks
lDRAMRead Enabled EnablesDRAMReadPipeline.
Pipeline Disabled DisablesDRAMReadPipeline.
lCacheRd+CPUwtEnabled EnablesReadAround Write.
pipeline Disabled DisablesReadAround Write.
lCacheTiming FastThisitemisused toselectCacheRead/Write
Fastestspeed,“Fast”istheoptimizeselection.
lVideoBIOSEnabled Besidesconventionalmemory,videoBIOSarea
Cacheableisalsocacheable.
Disabled Video BIOSareaisnotcacheable.
lSystemBIOSEnabled Besidesconventionalmemory,thesystemBIOS
Cacheable area isalsocacheable.
Disabled The systemBIOSarea isnotcacheable.
lMemoryHoleAtEnabled MemoryHoleat15-16Misreservedforexpanded
15MbAddrPCIcard.
Disabled Donotsetthismemoryhole.
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lAGPApertureSize64MSetsthe effectivesizeofthe Graphics
(4-256)Aperturetobe used inthe particularPAC
Configuration.
lOnchipUSB Enabled Thisitemisused toenableordisableonchip
Disabled USBController.
lCloseEmptyEnabled ClosesemptyDIMMclockorPCIclock toreduce
DIMM/PCIClkEMI.
Disabled DoesnotcloseemptyDIMMorPCIclock.
lClockSpread 0.75%,EnablesClock SpreadSpectrumtoreduceEMI.
Spectrum0.50%
0.25%
Disabled DisablesClock SpreadSpectrum.
AwardBIOSDescription